Power supply



FIG. 1 is a front perspective view of a power supply showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof in use.

The broken lines shown are included for the purpose of illustrating the unclaimed portions of the power supply and form no part of the claimed design. 

CLAIM The ornamental design for a power supply, as shown and described. 